Mathematics, 30.12.2021 01:20, reinaelane77
A news program stated that one of the candidates for mayor of a certain city commissioned a popularity study to ascertain his chance of re-election. The report claimed that 55% of the voters randomly sampled in this study favored the mayor; it also detailed that there was a margin of error of 3% with 95% confidence. Which of the following best describe the meaning of this margin of error?
a. There is a probability of 3% that the sample is based in favor of the mayor
b. There is a probability of 97% that 55% is the true value
c. It is likely that the true percentage of supporters for the mayor is within 1.96 x 3% of the 55%
d. it is likely that the true percentage of supporters for the mayor is within 3% of the 55%
Answers: 1
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A news program stated that one of the candidates for mayor of a certain city commissioned a populari...
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